The ultimate goal is to make it all the way to the percentage requirement of 100% and then complete that level.
On that said percentage starts at 1% and then increases by 1% for every level you clear the percentage requirement. The goal of this game is to achieve the percentage requirement on as many List Demons as possible. It gives the player choices of playing the challenge with either the Main List (Top 75 Extreme Demons), the Extended List (Top 76-150 Extreme Demons), and the Legacy List (over Top 150 Extreme Demons), and the choice to play with two or all three of these options combined. The challenge uses the Extreme Demons on the Geometry Dash Demonlist. The Extreme Demon Roulette is a challenge for Geometry Dash created by npesta on July 31, 2020.